/Engine/Source/Editor/SkeletonEditor/Public/SkeletonTreeBuilder.h
void AddAttachedAssetContainer ( const [FPreviewAssetAttachContainer](API\Runtime\Engine\Animation\FPreviewAssetAttachContainer) & AttachedObjects, [FSkeletonTreeBuilderOutput](API\Editor\SkeletonEditor\FSkeletonTreeBuilderOutput) & Output )